475553464399 has 24 divisors (see below), whose sum is σ = 535478634432. Its totient is φ = 419640137280.

The previous prime is 475553464343. The next prime is 475553464411. The reversal of 475553464399 is 993464355574.

It is not a de Polignac number, because 475553464399 - 2¹⁵ = 475553431631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475553464399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475553464339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919269 + ... + 1340209.

It is an arithmetic number, because the mean of its divisors is an integer number (22311609768).

Almost surely, 2^475553464399 is an apocalyptic number.

475553464399 is a deficient number, since it is larger than the sum of its proper divisors (59925170033).

475553464399 is a wasteful number, since it uses less digits than its factorization.

475553464399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421087 (or 421044 counting only the distinct ones).

The product of its digits is 244944000, while the sum is 64.

The spelling of 475553464399 in words is "four hundred seventy-five billion, five hundred fifty-three million, four hundred sixty-four thousand, three hundred ninety-nine".